101133149 has 6 divisors (see below), whose sum is σ = 109511226. Its totient is φ = 93353520.

The previous prime is 101133133. The next prime is 101133161. The reversal of 101133149 is 941331101.

It can be written as a sum of positive squares in 3 ways, for example, as 9796900 + 91336249 = 3130^2 + 9557^2 .

It is not a de Polignac number, because 101133149 - 2⁴ = 101133133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101133199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 299042 + ... + 299379.

It is an arithmetic number, because the mean of its divisors is an integer number (18251871).

Almost surely, 2^101133149 is an apocalyptic number.

It is an amenable number.

101133149 is a deficient number, since it is larger than the sum of its proper divisors (8378077).

101133149 is an equidigital number, since it uses as much as digits as its factorization.

101133149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598447 (or 598434 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 101133149 is about 10056.4978496493. The cubic root of 101133149 is about 465.9055065146.

The spelling of 101133149 in words is "one hundred one million, one hundred thirty-three thousand, one hundred forty-nine".